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- Provide detailed step-wise mechanism for the following reaction. Be sure to show all intermediates, formal charges, and show the movement of electrons with curved arrows. a 4+H₂Q 044 OH2. Provide a detailed mechanism for the following reaction: Br NBS lightPropose a reasonable stepwise mechanism, using curved arrow notation to show the flow of electrons, for the following reaction. O₂N H KCN EtOH, H₂O O₂N OH NO₂
- Provide a curved arrow mechanism and predict the product for the following SN2 reactions. NaCNWhen norbornene undergoes hydroboration-oxidation, a mixture of two stereoisomers is produced in a roughly 6:1 ratio. (a) Draw both of these isomeric products. (b) Which product is favored? Hint: You should build a model of norbornene and consider the transition state leading to each product. 1. BH3 THF ? 2. H2O2, NaOH, H,O Norbornene1) Draw the complete electron-pushing arrow mechanism for the following reductions. Explain, using resonance contributors (structures), the regiochemistry that results in each case. OMe Na, MeOH ? NH3 CHO Na, MeOH ? NH3
- Draw the structures of compounds A and B in the scheme below. Be sure to indicate the stereochemistry. E2 Ph ElProvide a detailed step-wise mechanism for the following reaction. Be sure to show all intermediates, formal charges, and show the movement of electrons with curved arrows.Q17. Compound 1 can undergo an intramolecular reaction to give cyclic product 2. Using curly arrows, show the mechanism of this reaction – note that the mechanism involves more than one elemental step - and draw the structure of 2; chemical formula is provided as guidance. H2N. C5H9NO CH3OH 2
- Q7. Propose a detail mechanism for the following reaction. Use curved arrow to show the electron movement. H2SO4 он heat4) Draw the complete electron-pushing arrow mechanism for the following reductions. Explain, using resonance contributors, the regiochemistry that results in each case. ỌMe Na, MeOH ? NH3 CHO Na, MeOH ? NH3Q17. Compound 1 can undergo an intramolecular reaction to give cyclic product 2. Using curly arrows, show the mechanism of this reaction – note that the mechanism involves more than one elemental step - and draw the structure of 2; chemical formula is provided as guidance. H2N. C5H9NO CH;OH 2